【英文标准名称】:StandardPracticeforQuantitativeAcceleratedLaboratoryEvaluationofExtractionSolutionsContainingIonsLeachedfromThermalInsulationonAqueousCorrosionofMetals
【原文标准名称】:金属水腐蚀热绝缘材料中浸出的含离子萃取溶液的定量加速实验室评定的标准实施规程
【标准号】:ASTMC1617-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:溶液;离子;实验室;定量的;含水的;加速;萃取;评定;绝缘;金属;腐蚀;隔热
【英文主题词】:chloride;corrosion;corrosionunderinsulation;inhibition;metal;protectivecoatings;steel;thermalinsulation
【摘要】:1.1Thispracticecoversproceduresforaquantitativeacceleratedlaboratoryevaluationoftheinfluenceofextractionsolutionscontainingionsleachedfromthermalinsulationontheaqueouscorrosionofmetals.Theprimaryintentofthepracticeisforusewiththermalinsulationandassociatedmaterialsthatcontributeto,oralternativelyinhibit,theaqueouscorrosionofdifferenttypesandgradesofmetalsduetosolubleionsthatareleachedbywaterfromwithintheinsulation.ThequantitativeevaluationcriteriaareMassLossCorrosionRate(MLCR)determinedfromtheweightlossduetocorrosionofexposedmetalcouponsaftertheyarecleaned.1.2Theinsulationextractionsolutionspreparedforuseinthetestcanbealteredbytheadditionofcorrosiveionstothesolutionstosimulatecontaminationfromanexternalsource.Ionsexpectedtoprovidecorrosioninhibitioncanbeaddedtoinvestigatetheirinhibitoryeffect.1.3Preparedlaboratorystandardsolutionsareusedasreferencesolutionsandcontrols,toprovideameansofcalibrationandcomparison.SeeFig1.1.4Otherliquidscanbetestedfortheirpotentialcorrosivenessincludingcoolingtowerwater,boilerfeed,andchemicalstocks.Addedchemicalinhibitorsorprotectivecoatingsappliedtothemetalcanalsobeevaluatedusingthegeneralguidelinesofthepractice.1.5Thispracticecannotcoverallpossiblefieldconditionsthatcontributetoaqueouscorrosion.Theintentistoprovideanacceleratedmeanstoobtainanon-subjectivenumericvalueforjudgingthepotentialcontributiontothecorrosionofmetalsthatcancomefromionscontainedinthermalinsulationmaterialsorotherexperimentalsolutions.Thecalculatednumericvalueisthemasslosscorrosionrate.Thiscalculationisbasedongeneralcorrosionspreadequallyoverthetestdurationandtheexposedareaoftheexperimentalcellscreatedforthetest.Corrosionfoundinfieldsituationsandthisacceleratedtestalsoinvolvespittingandedgeeffectsandtheratechangesovertime.1.6Themeasurementvaluesstatedininch-poundunitsaretoberegardedasstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H11
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Plasticspipingsystems-Pipingsystemsforundergrounddrainageandsewerage-Testmethodforresistancetocombinedtemperaturecyclingandexternalloading;GermanversionEN1437:2002
【原文标准名称】:塑料管道系统.地下排水排污用管道系统.抗混合温度循环和外加负荷的试验方法;德文版本EN1437:2002
【标准号】:EN1437-2002
【标准状态】:现行
【国别】:
【发布日期】:2002-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:管系统;测量;地下;塑料管道;管道;负荷;泄漏率;热循环;应力;污水;温度;水;温度波动;电阻器;试验;热水;下水道;耐力;管;试验报告;尺寸稳定性;温度变化;数学计算;元部件;塑料
【英文主题词】:Changesoftemperature;Components;Dimensionalstability;Hotwater;Leakrate;Loading;Mathematicalcalculations;Measurement;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plastics;Resistance;Sewage;Sewers;Stress;Temperature;Temperaturefluctuations;Testreports;Testing;Thermalcycling;Underground;Water
【摘要】:
【中国标准分类号】:P41
【国际标准分类号】:93_030
【页数】:16P.;A4
【正文语种】:英语